Synonyms: Acetylene,bis(p-methoxyphenyl)- (6CI,7CI,8CI); 1,2-(4-Methoxyphenyl)acetylene;1,2-Bis(4-methoxyphenyl)acetylene; 1,2-Bis(4-methoxyphenyl)ethyne;1,2-Bis(p-anisyl)acetylene; 1,2-Di(4-methoxyphenyl)acetylene;4,4'-Dimethoxydiphenylacetylene; 4,4'-Dimethoxytolan;Bis(4-methoxyphenyl)acetylene; Bis(p-methoxyphenyl)acetylene;Di(p-methoxyphenyl)acetylene; Di-4-methoxyphenylacetylene;Di-p-anisylacetylene; p,p'-Dimethoxydiphenylacetylene